took out some bugfinding output
a working trigram tagger
took out prefixsupp
added return to show if the export was successful
Now with file selection and evaluation!

New. added command line options (select tagger output file and gold
standard file); added Precision, Recall, and F score evaluation; also it
is now possible to compare files with different number of columns (up to
9).
Merge branch 'master' of https://github.com/arbox/tagger-for-pali into makefiles
Builds the tagger